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公开(公告)号:CA815981A
公开(公告)日:1969-06-24
申请号:CA815981D
Applicant: IBM
Inventor: METHFESSEL SIEGFRIED J , GAMBINO RICHARD J , HOLTZBERG FREDERIC
公开(公告)号:CA815981A
公开(公告)日:1969-06-24
申请号:CA815981D
Applicant: IBM
Inventor: METHFESSEL SIEGFRIED J , GAMBINO RICHARD J , HOLTZBERG FREDERIC